* {
    margin: 0;
    padding: 0;
    list-style: none;
}

*,
 :after,
 :before {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}


/*
KISSY CSS Reset
理念：1. reset 的目的不是清除浏览器的默认样式，这仅是部分工作。清除和重置是紧密不可分的。
2. reset 的目的不是让默认样式在所有浏览器下一致，而是减少默认样式有可能带来的问题。
3. reset 期望提供一套普适通用的基础样式。但没有银弹，推荐根据具体需求，裁剪和修改后再使用。
特色：1. 适应中文；2. 基于最新主流浏览器。
 */


/** 清除内外边距 **/

body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,

/* structural elements 结构元素 */

dl,
dt,
dd,
ul,
ol,
li,

/* list elements 列表元素 */

pre,

/* text formatting elements 文本格式元素 */

form,
fieldset,
legend,
button,
input,
textarea,

/* form elements 表单元素 */

th,
td
/* table elements 表格元素 */

{
    margin: 0;
    padding: 0;
}


/** 设置默认字体 **/

body,
button,
input,
select,
textarea
/* for ie */

{
    font: 12px/1.5 tahoma, arial, \5b8b\4f53, sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}

address,
cite,
dfn,
em,
var {
    font-style: normal;
}


/* 将斜体扶正 */

code,
kbd,
pre,
samp {
    font-family: courier new, courier, monospace;
}


/* 统一等宽字体 */

small {
    font-size: 12px;
}


/* 小于 12px 的中文很难阅读，让 small 正常化 */


/** 重置列表元素 **/

ul,
ol {
    list-style: none;
}


/** 重置文本格式元素 **/

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}


/** 重置表单元素 **/

legend {
    color: #000;
}


/* for ie6 */

fieldset,
img {
    border: 0;
}


/* img 搭车：让链接里的 img 无边框 */

button,
input,
select,
textarea {
    font-size: 100%;
}


/* 使得表单元素在 ie 下能继承字体大小 */


/* 注：optgroup 无法扶正 */


/** 重置表格元素 **/

table {
    border-collapse: collapse;
    border-spacing: 0;
}


/* 清除浮动 */

.ks-clear:after,
.clear:after {
    content: '\20';
    display: block;
    height: 0;
    clear: both;
}

.ks-clear,
.clear {
    *zoom: 1;
}

.main {
    padding: 30px 100px;
    width: 960px;
    margin: 0 auto;
}

.main h1 {
    font-size: 36px;
    color: #333;
    text-align: left;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.helps {
    margin-top: 40px;
}

.helps pre {
    padding: 20px;
    margin: 10px 0;
    border: solid 1px #e7e1cd;
    background-color: #fffdef;
    overflow: auto;
}

.icon_lists {
    width: 100% !important;
}

.icon_lists li {
    float: left;
    width: 100px;
    height: 180px;
    text-align: center;
    list-style: none !important;
}

.icon_lists .icon {
    font-size: 42px;
    line-height: 100px;
    margin: 10px 0;
    color: #333;
    -webkit-transition: font-size 0.25s ease-out 0s;
    -moz-transition: font-size 0.25s ease-out 0s;
    transition: font-size 0.25s ease-out 0s;
}

.icon_lists .icon:hover {
    font-size: 100px;
}

.markdown {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
}

.highlight {
    line-height: 1.5;
}

.markdown img {
    vertical-align: middle;
    max-width: 100%;
}

.markdown h1 {
    color: #404040;
    font-weight: 500;
    line-height: 40px;
    margin-bottom: 24px;
}

.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
    color: #404040;
    margin: 1.6em 0 0.6em 0;
    font-weight: 500;
    clear: both;
}

.markdown h1 {
    font-size: 28px;
}

.markdown h2 {
    font-size: 22px;
}

.markdown h3 {
    font-size: 16px;
}

.markdown h4 {
    font-size: 14px;
}

.markdown h5 {
    font-size: 12px;
}

.markdown h6 {
    font-size: 12px;
}

.markdown hr {
    height: 1px;
    border: 0;
    background: #e9e9e9;
    margin: 16px 0;
    clear: both;
}

.markdown p,
.markdown pre {
    margin: 1em 0;
}

.markdown>p,
.markdown>blockquote,
.markdown>.highlight,
.markdown>ol,
.markdown>ul {
    width: 80%;
}

.markdown ul>li {
    list-style: circle;
}

.markdown>ul li,
.markdown blockquote ul>li {
    margin-left: 20px;
    padding-left: 4px;
}

.markdown>ul li p,
.markdown>ol li p {
    margin: 0.6em 0;
}

.markdown ol>li {
    list-style: decimal;
}

.markdown>ol li,
.markdown blockquote ol>li {
    margin-left: 20px;
    padding-left: 4px;
}

.markdown code {
    margin: 0 3px;
    padding: 0 5px;
    background: #eee;
    border-radius: 3px;
}

.markdown pre {
    border-radius: 6px;
    background: #f7f7f7;
    padding: 20px;
}

.markdown pre code {
    border: none;
    background: #f7f7f7;
    margin: 0;
}

.markdown strong,
.markdown b {
    font-weight: 600;
}

.markdown>table {
    border-collapse: collapse;
    border-spacing: 0px;
    empty-cells: show;
    border: 1px solid #e9e9e9;
    width: 95%;
    margin-bottom: 24px;
}

.markdown>table th {
    white-space: nowrap;
    color: #333;
    font-weight: 600;
}

.markdown>table th,
.markdown>table td {
    border: 1px solid #e9e9e9;
    padding: 8px 16px;
    text-align: left;
}

.markdown>table th {
    background: #F7F7F7;
}

.markdown blockquote {
    font-size: 90%;
    color: #999;
    border-left: 4px solid #e9e9e9;
    padding-left: 0.8em;
    margin: 1em 0;
    font-style: italic;
}

.markdown blockquote p {
    margin: 0;
}

.markdown .anchor {
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-left: 8px;
}

.markdown .waiting {
    color: #ccc;
}

.markdown h1:hover .anchor,
.markdown h2:hover .anchor,
.markdown h3:hover .anchor,
.markdown h4:hover .anchor,
.markdown h5:hover .anchor,
.markdown h6:hover .anchor {
    opacity: 1;
    display: inline-block;
}

.markdown>br,
.markdown>p>br {
    clear: both;
}

.hljs {
    display: block;
    background: white;
    padding: 0.5em;
    color: #333333;
    overflow-x: auto;
}

.hljs-comment,
.hljs-meta {
    color: #969896;
}

.hljs-string,
.hljs-variable,
.hljs-template-variable,
.hljs-strong,
.hljs-emphasis,
.hljs-quote {
    color: #df5000;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-type {
    color: #a71d5d;
}

.hljs-literal,
.hljs-symbol,
.hljs-bullet,
.hljs-attribute {
    color: #0086b3;
}

.hljs-section,
.hljs-name {
    color: #63a35c;
}

.hljs-tag {
    color: #333333;
}

.hljs-title,
.hljs-attr,
.hljs-selector-id,
.hljs-selector-class,
.hljs-selector-attr,
.hljs-selector-pseudo {
    color: #795da3;
}

.hljs-addition {
    color: #55a532;
    background-color: #eaffea;
}

.hljs-deletion {
    color: #bd2c00;
    background-color: #ffecec;
}

.hljs-link {
    text-decoration: underline;
}

pre {
    background: #fff;
}